PBL Photography Photo Video Studio 10 Pack Universal Metal Pro Clamps Steve Kaeser photographic Lighting & Accessories Ten (10) Pack of steel universal photo clamps 4 1/4in long with 3in wide pads, rubber pads keep things extra secure and damage-free Opens to 2in, Tempered steel springs, Black non-glare finish, Strong gripping action Perfect for securing your muslins to your background stands. All steel, not plastic, will last for years